1 /*- 2 * Copyright (c) 1983, 1989, 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)vmstat.c 8.2 (Berkeley) 1/12/94 34 * $FreeBSD: src/usr.bin/systat/vmstat.c,v 1.38.2.4 2002/03/12 19:50:23 phantom Exp $ 35 * $DragonFly: src/usr.bin/systat/vmstat.c,v 1.12 2008/11/10 04:59:45 swildner Exp $ 36 */ 37 38 /* 39 * Cursed vmstat -- from Robert Elz. 40 */ 41 42 #define _KERNEL_STRUCTURES 43 #include <sys/param.h> 44 #include <sys/stat.h> 45 #include <sys/time.h> 46 #include <sys/user.h> 47 #include <sys/uio.h> 48 #include <sys/namei.h> 49 #include <sys/sysctl.h> 50 #include <sys/vmmeter.h> 51 52 #include <vm/vm_param.h> 53 54 #include <ctype.h> 55 #include <err.h> 56 #include <errno.h> 57 #include <kinfo.h> 58 #include <langinfo.h> 59 #include <nlist.h> 60 #include <paths.h> 61 #include <signal.h> 62 #include <stddef.h> 63 #include <stdlib.h> 64 #include <string.h> 65 #include <time.h> 66 #include <unistd.h> 67 #include <utmp.h> 68 #include <devstat.h> 69 #include "systat.h" 70 #include "extern.h" 71 #include "devs.h" 72 73 static struct Info { 74 struct kinfo_cputime cp_time; 75 struct vmmeter Vmm; 76 struct vmtotal Total; 77 struct vmstats Vms; 78 struct nchstats nchstats; 79 long nchcount; 80 long nchpathcount; 81 long *intrcnt; 82 int bufspace; 83 int desiredvnodes; 84 long numvnodes; 85 long freevnodes; 86 long dirtybufspace; 87 } s, s1, s2, z; 88 89 struct kinfo_cputime cp_time, old_cp_time; 90 struct statinfo cur, last, run; 91 92 #define vmm s.Vmm 93 #define vms s.Vms 94 #define oldvmm s1.Vmm 95 #define oldvms s1.Vms 96 #define total s.Total 97 #define nchtotal s.nchstats 98 #define oldnchtotal s1.nchstats 99 100 static enum state { BOOT, TIME, RUN } state = TIME; 101 102 static void allocinfo(struct Info *); 103 static void copyinfo(struct Info *, struct Info *); 104 static void dinfo(int, int, struct statinfo *, struct statinfo *); 105 static void getinfo(struct Info *); 106 static void putint(int, int, int, int, int); 107 static void putfloat(double, int, int, int, int, int); 108 static void putlongdouble(long double, int, int, int, int, int); 109 static void putlongdoublez(long double, int, int, int, int, int); 110 static int ucount(void); 111 112 static int ncpu; 113 static int ut; 114 static char buf[26]; 115 static time_t t; 116 static double etime; 117 static int nintr; 118 static long *intrloc; 119 static char **intrname; 120 static int nextintsrow; 121 static int extended_vm_stats; 122 123 struct utmp utmp; 124 125 126 WINDOW * 127 openkre(void) 128 { 129 130 ut = open(_PATH_UTMP, O_RDONLY); 131 if (ut < 0) 132 error("No utmp"); 133 return (stdscr); 134 } 135 136 void 137 closekre(WINDOW *w) 138 { 139 140 (void) close(ut); 141 if (w == NULL) 142 return; 143 wclear(w); 144 wrefresh(w); 145 } 146 147 148 static struct nlist namelist[] = { 149 #define X_BUFFERSPACE 0 150 { .n_name = "_bufspace" }, 151 #define X_NCHSTATS 1 152 { .n_name = "_nchstats" }, 153 #define X_DESIREDVNODES 2 154 { .n_name = "_desiredvnodes" }, 155 #define X_NUMVNODES 3 156 { .n_name = "_numvnodes" }, 157 #define X_FREEVNODES 4 158 { .n_name = "_freevnodes" }, 159 #define X_NUMDIRTYBUFFERS 5 160 { .n_name = "_dirtybufspace" }, 161 { .n_name = "" }, 162 }; 163 164 /* 165 * These constants define where the major pieces are laid out 166 */ 167 #define STATROW 0 /* uses 1 row and 68 cols */ 168 #define STATCOL 2 169 #define MEMROW 2 /* uses 4 rows and 31 cols */ 170 #define MEMCOL 0 171 #define PAGEROW 2 /* uses 4 rows and 26 cols */ 172 #define PAGECOL 46 173 #define INTSROW 6 /* uses all rows to bottom and 17 cols */ 174 #define INTSCOL 61 175 #define PROCSROW 7 /* uses 2 rows and 20 cols */ 176 #define PROCSCOL 0 177 #define GENSTATROW 7 /* uses 2 rows and 30 cols */ 178 #define GENSTATCOL 16 179 #define VMSTATROW 6 /* uses 17 rows and 12 cols */ 180 #define VMSTATCOL 48 181 #define GRAPHROW 10 /* uses 3 rows and 51 cols */ 182 #define GRAPHCOL 0 183 #define NAMEIROW 14 /* uses 3 rows and 38 cols */ 184 #define NAMEICOL 0 185 #define DISKROW 17 /* uses 6 rows and 50 cols (for 9 drives) */ 186 #define DISKCOL 0 187 188 #define DRIVESPACE 7 /* max # for space */ 189 190 #define MAXDRIVES DRIVESPACE /* max # to display */ 191 192 int 193 initkre(void) 194 { 195 char *intrnamebuf; 196 size_t bytes; 197 size_t b; 198 size_t i; 199 200 if (namelist[0].n_type == 0) { 201 if (kvm_nlist(kd, namelist)) { 202 nlisterr(namelist); 203 return(0); 204 } 205 if (namelist[0].n_type == 0) { 206 error("No namelist"); 207 return(0); 208 } 209 } 210 211 if ((num_devices = getnumdevs()) < 0) { 212 warnx("%s", devstat_errbuf); 213 return(0); 214 } 215 216 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 217 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 218 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 219 bzero(cur.dinfo, sizeof(struct devinfo)); 220 bzero(last.dinfo, sizeof(struct devinfo)); 221 bzero(run.dinfo, sizeof(struct devinfo)); 222 223 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 224 return(0); 225 226 if (nintr == 0) { 227 if (sysctlbyname("hw.intrnames", NULL, &bytes, NULL, 0) == 0) { 228 intrnamebuf = malloc(bytes); 229 sysctlbyname("hw.intrnames", intrnamebuf, &bytes, 230 NULL, 0); 231 for (i = 0; i < bytes; ++i) { 232 if (intrnamebuf[i] == 0) 233 ++nintr; 234 } 235 intrname = malloc(nintr * sizeof(char *)); 236 intrloc = malloc(nintr * sizeof(*intrloc)); 237 nintr = 0; 238 for (b = i = 0; i < bytes; ++i) { 239 if (intrnamebuf[i] == 0) { 240 intrname[nintr] = intrnamebuf + b; 241 intrloc[nintr] = 0; 242 b = i + 1; 243 ++nintr; 244 } 245 } 246 } 247 nextintsrow = INTSROW + 2; 248 allocinfo(&s); 249 allocinfo(&s1); 250 allocinfo(&s2); 251 allocinfo(&z); 252 } 253 getinfo(&s2); 254 copyinfo(&s2, &s1); 255 return(1); 256 } 257 258 void 259 fetchkre(void) 260 { 261 time_t now; 262 struct tm *tp; 263 static int d_first = -1; 264 265 if (d_first < 0) 266 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 267 268 time(&now); 269 tp = localtime(&now); 270 (void) strftime(buf, sizeof(buf), 271 d_first ? "%e %b %R" : "%b %e %R", tp); 272 getinfo(&s); 273 } 274 275 void 276 labelkre(void) 277 { 278 int i, j; 279 280 clear(); 281 mvprintw(STATROW, STATCOL + 4, "users Load"); 282 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 283 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 284 mvprintw(MEMROW + 2, MEMCOL, "Act"); 285 mvprintw(MEMROW + 3, MEMCOL, "All"); 286 287 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 288 289 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER "); 290 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 291 mvprintw(PAGEROW + 2, PAGECOL, "count"); 292 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 293 294 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 295 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 296 297 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow"); 298 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire"); 299 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act"); 300 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact"); 301 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache"); 302 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free"); 303 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr"); 304 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr"); 305 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react"); 306 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake"); 307 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs"); 308 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn"); 309 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf"); 310 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "dirtybuf"); 311 312 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "desiredvnodes"); 313 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "numvnodes"); 314 mvprintw(VMSTATROW + 17, VMSTATCOL + 10, "freevnodes"); 315 316 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 317 318 mvprintw(GRAPHROW, GRAPHCOL, 319 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 320 mvprintw(PROCSROW, PROCSCOL, " r p d s w"); 321 mvprintw(GRAPHROW + 1, GRAPHCOL, 322 "| | | | | | | | | | |"); 323 324 mvprintw(NAMEIROW, NAMEICOL, "Path-lookups hits %% Components"); 325 mvprintw(DISKROW, DISKCOL, "Disks"); 326 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 327 mvprintw(DISKROW + 2, DISKCOL, "tpr/s"); 328 mvprintw(DISKROW + 3, DISKCOL, "MBr/s"); 329 mvprintw(DISKROW + 4, DISKCOL, "tpw/s"); 330 mvprintw(DISKROW + 5, DISKCOL, "MBw/s"); 331 mvprintw(DISKROW + 6, DISKCOL, "%% busy"); 332 /* 333 * For now, we don't support a fourth disk statistic. So there's 334 * no point in providing a label for it. If someone can think of a 335 * fourth useful disk statistic, there is room to add it. 336 */ 337 j = 0; 338 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 339 if (dev_select[i].selected) { 340 char tmpstr[80]; 341 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 342 dev_select[i].unit_number); 343 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 344 " %5.5s", tmpstr); 345 j++; 346 } 347 348 if (j <= 4) { 349 /* 350 * room for extended VM stats 351 */ 352 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod"); 353 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ozfod"); 354 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z"); 355 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree"); 356 extended_vm_stats = 1; 357 } else { 358 extended_vm_stats = 0; 359 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod"); 360 } 361 362 for (i = 0; i < nintr; i++) { 363 if (intrloc[i] == 0) 364 continue; 365 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]); 366 } 367 } 368 369 #define CP_UPDATE(fld) do { \ 370 uint64_t lt; \ 371 lt=s.fld; \ 372 s.fld-=s1.fld; \ 373 if(state==TIME) \ 374 s1.fld=lt; \ 375 lt=fld; \ 376 fld-=old_##fld; \ 377 if(state==TIME) \ 378 old_##fld=lt; \ 379 etime += s.fld; \ 380 } while(0) 381 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 382 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 383 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 384 if(state == TIME) s1.nchstats.fld = t;} 385 #define PUTRATE(fld, l, c, w) \ 386 Y(fld); \ 387 putint((int)((float)s.fld/etime + 0.5), l, c, w, 'D') 388 #define MAXFAIL 5 389 390 #define CPUSTATES 5 391 static const char cpuchar[5] = { '=' , '+', '>', '-', ' ' }; 392 393 static const size_t cpuoffsets[] = { 394 offsetof(struct kinfo_cputime, cp_sys), 395 offsetof(struct kinfo_cputime, cp_intr), 396 offsetof(struct kinfo_cputime, cp_user), 397 offsetof(struct kinfo_cputime, cp_nice), 398 offsetof(struct kinfo_cputime, cp_idle) 399 }; 400 401 void 402 showkre(void) 403 { 404 float f1, f2; 405 int psiz, inttotal; 406 int i, l, lc; 407 static int failcnt = 0; 408 double total_time; 409 410 etime = 0; 411 CP_UPDATE(cp_time.cp_user); 412 CP_UPDATE(cp_time.cp_nice); 413 CP_UPDATE(cp_time.cp_sys); 414 CP_UPDATE(cp_time.cp_intr); 415 CP_UPDATE(cp_time.cp_idle); 416 417 total_time = etime; 418 if (total_time == 0.0) 419 total_time = 1.0; 420 421 if (etime < 100000.0) { /* < 100ms ignore this trash */ 422 if (failcnt++ >= MAXFAIL) { 423 clear(); 424 mvprintw(2, 10, "The alternate system clock has died!"); 425 mvprintw(3, 10, "Reverting to ``pigs'' display."); 426 move(CMDLINE, 0); 427 refresh(); 428 failcnt = 0; 429 sleep(5); 430 command("pigs"); 431 } 432 return; 433 } 434 failcnt = 0; 435 etime /= 1000000.0; 436 etime /= ncpu; 437 if (etime == 0) 438 etime = 1; 439 inttotal = 0; 440 for (i = 0; i < nintr; i++) { 441 if (s.intrcnt[i] == 0) 442 continue; 443 if (intrloc[i] == 0) { 444 if (nextintsrow == LINES) 445 continue; 446 intrloc[i] = nextintsrow++; 447 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", 448 intrname[i]); 449 } 450 X(intrcnt); 451 l = (int)((float)s.intrcnt[i]/etime + 0.5); 452 inttotal += l; 453 putint(l, intrloc[i], INTSCOL + 2, 6, 'D'); 454 } 455 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6, 'D'); 456 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 457 Z(ncs_longhits); Z(ncs_longmiss); Z(ncs_neghits); 458 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 459 nchtotal.ncs_miss + nchtotal.ncs_neghits; 460 s.nchpathcount = nchtotal.ncs_longhits + nchtotal.ncs_longmiss; 461 if (state == TIME) { 462 s1.nchcount = s.nchcount; 463 s1.nchpathcount = s.nchpathcount; 464 } 465 466 psiz = 0; 467 f2 = 0.0; 468 for (lc = 0; lc < CPUSTATES; lc++) { 469 uint64_t val = *(uint64_t *)(((uint8_t *)&s.cp_time) + 470 cpuoffsets[lc]); 471 f1 = 100.0 * val / total_time; 472 f2 += f1; 473 l = (int) ((f2 + 1.0) / 2.0) - psiz; 474 if (f1 > 99.9) 475 f1 = 99.9; /* no room to display 100.0 */ 476 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 477 move(GRAPHROW + 2, psiz); 478 psiz += l; 479 while (l-- > 0) 480 addch(cpuchar[lc]); 481 } 482 483 putint(ucount(), STATROW, STATCOL, 3, 'D'); 484 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 485 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 486 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 487 mvaddstr(STATROW, STATCOL + 53, buf); 488 #define pgtokb(pg) ((pg) * vms.v_page_size / 1024) 489 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8, 'K'); 490 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8, 'K'); 491 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9, 'K'); 492 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9, 'K'); 493 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8, 'K'); 494 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8, 'K'); 495 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9, 'K'); 496 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9, 'K'); 497 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8, 'K'); 498 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 0, 3, 'D'); 499 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 3, 3, 'D'); 500 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 6, 3, 'D'); 501 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 9, 3, 'D'); 502 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 12, 3, 'D'); 503 if (extended_vm_stats == 0) { 504 PUTRATE(Vmm.v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5); 505 } 506 PUTRATE(Vmm.v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6); 507 putint(pgtokb(vms.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9, 'K'); 508 putint(pgtokb(vms.v_active_count), VMSTATROW + 3, VMSTATCOL, 9, 'K'); 509 putint(pgtokb(vms.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9, 'K'); 510 putint(pgtokb(vms.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9, 'K'); 511 putint(pgtokb(vms.v_free_count), VMSTATROW + 6, VMSTATCOL, 9, 'K'); 512 PUTRATE(Vmm.v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 513 PUTRATE(Vmm.v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 514 PUTRATE(Vmm.v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 515 PUTRATE(Vmm.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 516 PUTRATE(Vmm.v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 517 PUTRATE(Vmm.v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 518 519 if (extended_vm_stats) { 520 PUTRATE(Vmm.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 521 PUTRATE(Vmm.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 522 #define nz(x) ((x) ? (x) : 1) 523 putint((s.Vmm.v_zfod - s.Vmm.v_ozfod) * 100 / nz(s.Vmm.v_zfod), 524 VMSTATROW + 13, VMSTATCOL - 16, 9, 'D'); 525 #undef nz 526 PUTRATE(Vmm.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 527 } 528 529 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9, 'K'); 530 putint(s.dirtybufspace/1024, VMSTATROW + 14, VMSTATCOL, 9, 'K'); 531 putint(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9, 'D'); 532 putint(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9, 'D'); 533 putint(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9, 'D'); 534 PUTRATE(Vmm.v_vnodein, PAGEROW + 2, PAGECOL + 5, 5); 535 PUTRATE(Vmm.v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5); 536 PUTRATE(Vmm.v_swapin, PAGEROW + 2, PAGECOL + 17, 5); 537 PUTRATE(Vmm.v_swapout, PAGEROW + 2, PAGECOL + 22, 5); 538 PUTRATE(Vmm.v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5); 539 PUTRATE(Vmm.v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5); 540 PUTRATE(Vmm.v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5); 541 PUTRATE(Vmm.v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5); 542 PUTRATE(Vmm.v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 543 PUTRATE(Vmm.v_trap, GENSTATROW + 1, GENSTATCOL + 6, 5); 544 PUTRATE(Vmm.v_syscall, GENSTATROW + 1, GENSTATCOL + 12, 5); 545 PUTRATE(Vmm.v_intr, GENSTATROW + 1, GENSTATCOL + 18, 5); 546 PUTRATE(Vmm.v_soft, GENSTATROW + 1, GENSTATCOL + 23, 5); 547 PUTRATE(Vmm.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 29, 5); 548 mvprintw(DISKROW, DISKCOL + 5, " "); 549 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++) 550 if (dev_select[i].selected) { 551 char tmpstr[80]; 552 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 553 dev_select[i].unit_number); 554 mvprintw(DISKROW, DISKCOL + 5 + 6 * lc, 555 " %5.5s", tmpstr); 556 switch(state) { 557 case TIME: 558 dinfo(i, ++lc, &cur, &last); 559 break; 560 case RUN: 561 dinfo(i, ++lc, &cur, &run); 562 break; 563 case BOOT: 564 dinfo(i, ++lc, &cur, NULL); 565 break; 566 } 567 } 568 #define nz(x) ((x) ? (x) : 1) 569 putint(s.nchpathcount, NAMEIROW + 1, NAMEICOL + 3, 9, 'D'); 570 571 putint(nchtotal.ncs_longhits, NAMEIROW + 1, NAMEICOL + 12, 7, 'D'); 572 putfloat(nchtotal.ncs_longhits * 100.0 / nz(s.nchpathcount), 573 NAMEIROW + 1, NAMEICOL + 19, 4, 0, 0); 574 575 putfloat((double)s.nchcount / nz(s.nchpathcount), 576 NAMEIROW + 1, NAMEICOL + 27, 5, 2, 1); 577 #undef nz 578 } 579 580 int 581 cmdkre(const char *cmd, char *args) 582 { 583 int retval; 584 585 if (prefix(cmd, "run")) { 586 retval = 1; 587 copyinfo(&s2, &s1); 588 switch (getdevs(&run)) { 589 case -1: 590 errx(1, "%s", devstat_errbuf); 591 break; 592 case 1: 593 num_devices = run.dinfo->numdevs; 594 generation = run.dinfo->generation; 595 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 596 if (retval == 2) 597 labelkre(); 598 break; 599 default: 600 break; 601 } 602 state = RUN; 603 return (retval); 604 } 605 if (prefix(cmd, "boot")) { 606 state = BOOT; 607 copyinfo(&z, &s1); 608 return (1); 609 } 610 if (prefix(cmd, "time")) { 611 state = TIME; 612 return (1); 613 } 614 if (prefix(cmd, "zero")) { 615 retval = 1; 616 if (state == RUN) { 617 getinfo(&s1); 618 switch (getdevs(&run)) { 619 case -1: 620 errx(1, "%s", devstat_errbuf); 621 break; 622 case 1: 623 num_devices = run.dinfo->numdevs; 624 generation = run.dinfo->generation; 625 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 626 if (retval == 2) 627 labelkre(); 628 break; 629 default: 630 break; 631 } 632 } 633 return (retval); 634 } 635 retval = dscmd(cmd, args, MAXDRIVES, &cur); 636 637 if (retval == 2) 638 labelkre(); 639 640 return(retval); 641 } 642 643 /* calculate number of users on the system */ 644 static int 645 ucount(void) 646 { 647 int nusers = 0; 648 649 if (ut < 0) 650 return (0); 651 while (read(ut, &utmp, sizeof(utmp))) 652 if (utmp.ut_name[0] != '\0') 653 nusers++; 654 655 lseek(ut, 0L, L_SET); 656 return (nusers); 657 } 658 659 static void 660 putint(int n, int l, int lc, int w, int type) 661 { 662 char b[128]; 663 int xtype; 664 665 move(l, lc); 666 if (n == 0) { 667 while (w-- > 0) 668 addch(' '); 669 return; 670 } 671 snprintf(b, sizeof(b), "%*d", w, n); 672 if (strlen(b) > (size_t)w) { 673 if (type == 'D') { 674 n /= 1000; 675 xtype = 'K'; 676 } else { 677 n /= 1024; 678 xtype = 'M'; 679 } 680 snprintf(b, sizeof(b), "%*d%c", w - 1, n, xtype); 681 if (strlen(b) > (size_t)w) { 682 if (type == 'D') { 683 n /= 1000; 684 xtype = 'M'; 685 } else { 686 n /= 1024; 687 xtype = 'G'; 688 } 689 snprintf(b, sizeof(b), "%*d%c", w - 1, n, xtype); 690 if (strlen(b) > (size_t)w) { 691 while (w-- > 0) 692 addch('*'); 693 return; 694 } 695 } 696 } 697 addstr(b); 698 } 699 700 static void 701 putfloat(double f, int l, int lc, int w, int d, int nz) 702 { 703 char b[128]; 704 705 move(l, lc); 706 if (nz && f == 0.0) { 707 while (--w >= 0) 708 addch(' '); 709 return; 710 } 711 snprintf(b, sizeof(b), "%*.*f", w, d, f); 712 if (strlen(b) > (size_t)w) 713 snprintf(b, sizeof(b), "%*.0f", w, f); 714 if (strlen(b) > (size_t)w) { 715 while (--w >= 0) 716 addch('*'); 717 return; 718 } 719 addstr(b); 720 } 721 722 static void 723 putlongdouble(long double f, int l, int lc, int w, int d, int nz) 724 { 725 char b[128]; 726 727 move(l, lc); 728 if (nz && f == 0.0) { 729 while (--w >= 0) 730 addch(' '); 731 return; 732 } 733 sprintf(b, "%*.*Lf", w, d, f); 734 if (strlen(b) > (size_t)w) 735 sprintf(b, "%*.0Lf", w, f); 736 if (strlen(b) > (size_t)w) { 737 while (--w >= 0) 738 addch('*'); 739 return; 740 } 741 addstr(b); 742 } 743 744 static void 745 putlongdoublez(long double f, int l, int lc, int w, int d, int nz) 746 { 747 char b[128]; 748 749 if (f == 0.0) { 750 move(l, lc); 751 sprintf(b, "%*.*s", w, w, ""); 752 addstr(b); 753 } else { 754 putlongdouble(f, l, lc, w, d, nz); 755 } 756 } 757 758 static void 759 getinfo(struct Info *ls) 760 { 761 struct devinfo *tmp_dinfo; 762 struct nchstats *nch_tmp; 763 size_t size; 764 size_t vms_size = sizeof(ls->Vms); 765 size_t vmm_size = sizeof(ls->Vmm); 766 size_t nch_size = sizeof(ls->nchstats) * SMP_MAXCPU; 767 768 if (sysctlbyname("vm.vmstats", &ls->Vms, &vms_size, NULL, 0)) { 769 perror("sysctlbyname: vm.vmstats"); 770 exit(1); 771 } 772 if (sysctlbyname("vm.vmmeter", &ls->Vmm, &vmm_size, NULL, 0)) { 773 perror("sysctlbyname: vm.vmstats"); 774 exit(1); 775 } 776 777 if (kinfo_get_sched_cputime(&ls->cp_time)) 778 err(1, "kinfo_get_sched_cputime"); 779 if (kinfo_get_sched_cputime(&cp_time)) 780 err(1, "kinfo_get_sched_cputime"); 781 NREAD(X_BUFFERSPACE, &ls->bufspace, sizeof(ls->bufspace)); 782 NREAD(X_DESIREDVNODES, &ls->desiredvnodes, sizeof(ls->desiredvnodes)); 783 NREAD(X_NUMVNODES, &ls->numvnodes, LONG); 784 NREAD(X_FREEVNODES, &ls->freevnodes, LONG); 785 NREAD(X_NUMDIRTYBUFFERS, &ls->dirtybufspace, sizeof(ls->dirtybufspace)); 786 787 if (nintr) { 788 size = nintr * sizeof(ls->intrcnt[0]); 789 sysctlbyname("hw.intrcnt", ls->intrcnt, &size, NULL, 0); 790 } 791 size = sizeof(ls->Total); 792 if (sysctlbyname("vm.vmtotal", &ls->Total, &size, NULL, 0) < 0) { 793 error("Can't get kernel info: %s\n", strerror(errno)); 794 bzero(&ls->Total, sizeof(ls->Total)); 795 } 796 797 if ((nch_tmp = malloc(nch_size)) == NULL) { 798 perror("malloc"); 799 exit(1); 800 } else { 801 if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) { 802 perror("sysctlbyname vfs.cache.nchstats"); 803 free(nch_tmp); 804 exit(1); 805 } else { 806 if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) { 807 perror("realloc"); 808 exit(1); 809 } 810 } 811 } 812 813 if (kinfo_get_cpus(&ncpu)) 814 err(1, "kinfo_get_cpus"); 815 kvm_nch_cpuagg(nch_tmp, &ls->nchstats, ncpu); 816 free(nch_tmp); 817 818 tmp_dinfo = last.dinfo; 819 last.dinfo = cur.dinfo; 820 cur.dinfo = tmp_dinfo; 821 822 last.busy_time = cur.busy_time; 823 switch (getdevs(&cur)) { 824 case -1: 825 errx(1, "%s", devstat_errbuf); 826 break; 827 case 1: 828 num_devices = cur.dinfo->numdevs; 829 generation = cur.dinfo->generation; 830 cmdkre("refresh", NULL); 831 break; 832 default: 833 break; 834 } 835 } 836 837 static void 838 allocinfo(struct Info *ls) 839 { 840 ls->intrcnt = (long *) calloc(nintr, sizeof(long)); 841 if (ls->intrcnt == NULL) 842 errx(2, "out of memory"); 843 } 844 845 static void 846 copyinfo(struct Info *from, struct Info *to) 847 { 848 long *intrcnt; 849 850 /* 851 * time, wds, seek, and xfer are malloc'd so we have to 852 * save the pointers before the structure copy and then 853 * copy by hand. 854 */ 855 intrcnt = to->intrcnt; 856 *to = *from; 857 858 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 859 } 860 861 static void 862 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then) 863 { 864 long double kb_per_transfer; 865 long double transfers_per_secondr; 866 long double transfers_per_secondw; 867 long double mb_per_secondr; 868 long double mb_per_secondw; 869 long double elapsed_time, device_busy; 870 int di; 871 872 di = dev_select[dn].position; 873 874 elapsed_time = compute_etime(now->busy_time, then ? 875 then->busy_time : 876 now->dinfo->devices[di].dev_creation_time); 877 878 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ? 879 then->dinfo->devices[di].busy_time : 880 now->dinfo->devices[di].dev_creation_time); 881 882 if (compute_stats( 883 &now->dinfo->devices[di], 884 (then ? &then->dinfo->devices[di] : NULL), 885 elapsed_time, 886 NULL, NULL, NULL, 887 &kb_per_transfer, 888 NULL, 889 NULL, 890 NULL, NULL) != 0) 891 errx(1, "%s", devstat_errbuf); 892 893 if (compute_stats_read( 894 &now->dinfo->devices[di], 895 (then ? &then->dinfo->devices[di] : NULL), 896 elapsed_time, 897 NULL, NULL, NULL, 898 NULL, 899 &transfers_per_secondr, 900 &mb_per_secondr, 901 NULL, NULL) != 0) 902 errx(1, "%s", devstat_errbuf); 903 904 if (compute_stats_write( 905 &now->dinfo->devices[di], 906 (then ? &then->dinfo->devices[di] : NULL), 907 elapsed_time, 908 NULL, NULL, NULL, 909 NULL, 910 &transfers_per_secondw, 911 &mb_per_secondw, 912 NULL, NULL) != 0) 913 errx(1, "%s", devstat_errbuf); 914 915 if ((device_busy == 0) && 916 (transfers_per_secondr > 5 || transfers_per_secondw > 5)) { 917 /* the device has been 100% busy, fake it because 918 * as long as the device is 100% busy the busy_time 919 * field in the devstat struct is not updated */ 920 device_busy = elapsed_time; 921 } 922 if (device_busy > elapsed_time) { 923 /* this normally happens after one or more periods 924 * where the device has been 100% busy, correct it */ 925 device_busy = elapsed_time; 926 } 927 928 lc = DISKCOL + lc * 6; 929 putlongdoublez(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0); 930 putlongdoublez(transfers_per_secondr, DISKROW + 2, lc, 5, 0, 0); 931 putlongdoublez(mb_per_secondr, DISKROW + 3, lc, 5, 2, 0); 932 putlongdoublez(transfers_per_secondw, DISKROW + 4, lc, 5, 0, 0); 933 putlongdoublez(mb_per_secondw, DISKROW + 5, lc, 5, 2, 0); 934 putlongdouble(device_busy * 100 / elapsed_time, 935 DISKROW + 6, lc, 5, 0, 0); 936 } 937